Toyota Yaris: Smart Key / Key Suspend Function

Operational Range

The system operates only when the driver is in the vehicle or within operational range while the key is being carried. Starting the Engine With the advanced keyless function Without the advanced keyless function Starting the engine may be possible even if the key is outside of the vehicle and extremely close to a door and window, however, always start the engine from the driver’s seat...

Advanced Keyless Entry System (If equipped)

The advanced keyless function allows you to lock/unlock the door and the liftgate or open the liftgate/trunk lid while carrying the key. System malfunctions or warnings are indicated by the following warning lights or beeps...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Front Passenger Side Electrical Antenna Circuit Open (B27A213)

DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the front door outside handle assembly RH (electrical key antenna) at intervals of 0.25 seconds. For the front door outside handle assembly RH (electrical key antenna) to detect when the electrical key transmitter sub-assembly is brought close to the vehicle, a signal requesting a response from the electrical key transmitter sub-assembly is transmitted within approximately 1 m (3...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Central Gateway ECU System Internal Failure (B102004)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from B102004 Central Gateway ECU System Internal Failure A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected...